+++ /dev/null
-*> \brief \b DLAPY2 returns sqrt(x2+y2).
-*
-* =========== DOCUMENTATION ===========
-*
-* Online html documentation available at
-* http://www.netlib.org/lapack/explore-html/
-*
-*> \htmlonly
-*> Download DLAPY2 + dependencies
-*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.tgz?format=tgz&filename=/lapack/lapack_routine/dlapy2.f">
-*> [TGZ]</a>
-*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.zip?format=zip&filename=/lapack/lapack_routine/dlapy2.f">
-*> [ZIP]</a>
-*> <a href="http://www.netlib.org/cgi-bin/netlibfiles.txt?format=txt&filename=/lapack/lapack_routine/dlapy2.f">
-*> [TXT]</a>
-*> \endhtmlonly
-*
-* Definition:
-* ===========
-*
-* DOUBLE PRECISION FUNCTION DLAPY2( X, Y )
-*
-* .. Scalar Arguments ..
-* DOUBLE PRECISION X, Y
-* ..
-*
-*
-*> \par Purpose:
-* =============
-*>
-*> \verbatim
-*>
-*> DLAPY2 returns sqrt(x**2+y**2), taking care not to cause unnecessary
-*> overflow.
-*> \endverbatim
-*
-* Arguments:
-* ==========
-*
-*> \param[in] X
-*> \verbatim
-*> X is DOUBLE PRECISION
-*> \endverbatim
-*>
-*> \param[in] Y
-*> \verbatim
-*> Y is DOUBLE PRECISION
-*> X and Y specify the values x and y.
-*> \endverbatim
-*
-* Authors:
-* ========
-*
-*> \author Univ. of Tennessee
-*> \author Univ. of California Berkeley
-*> \author Univ. of Colorado Denver
-*> \author NAG Ltd.
-*
-*> \date September 2012
-*
-*> \ingroup auxOTHERauxiliary
-*
-* =====================================================================
- DOUBLE PRECISION FUNCTION DLAPY2( X, Y )
-*
-* -- LAPACK auxiliary routine (version 3.4.2) --
-* -- LAPACK is a software package provided by Univ. of Tennessee, --
-* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..--
-* September 2012
-*
-* .. Scalar Arguments ..
- DOUBLE PRECISION X, Y
-* ..
-*
-* =====================================================================
-*
-* .. Parameters ..
- DOUBLE PRECISION ZERO
- PARAMETER ( ZERO = 0.0D0 )
- DOUBLE PRECISION ONE
- PARAMETER ( ONE = 1.0D0 )
-* ..
-* .. Local Scalars ..
- DOUBLE PRECISION W, XABS, YABS, Z
-* ..
-* .. Intrinsic Functions ..
- INTRINSIC ABS, MAX, MIN, SQRT
-* ..
-* .. Executable Statements ..
-*
- XABS = ABS( X )
- YABS = ABS( Y )
- W = MAX( XABS, YABS )
- Z = MIN( XABS, YABS )
- IF( Z.EQ.ZERO ) THEN
- DLAPY2 = W
- ELSE
- DLAPY2 = W*SQRT( ONE+( Z / W )**2 )
- END IF
- RETURN
-*
-* End of DLAPY2
-*
- END